Places beginning with WA in Illinois, United States
- Wabash County
- Wabash Election Precinct
- Wabash Point
- Wabash, Township of
- Wacker
- Waddams Grove
- Waddams, Township of
- Wade, Township of
- Wade, Township of
- Wadsworth
- Waggoner
- Wagon Creek Heaven
- Wakefield
- Waldo
- Waldo, Township of
- Waldron (historical)
- Walker
- Walker
- Walker, Township of
- Walkerville
- Walkerville, Township of
- Wallace, Township of
- Walla Walla
- Wallingford
- Wall, Township of
- Walnut
- Walnut
- Walnut Grove
- Walnut Grove
- Walnut Grove, Township of
- Walnut Grove, Township of
- Walnut Hill
- Walnut Prairie
- Walnut, Township of
- Walpole
- Walsh
- Walsh Election Precinct
- Walshville
- Walshville, Township of
- Waltersburg
- Waltham
- Waltham, Township of
- Walton
- Waltonville
- Walz
- Wamac
- Wanborough (historical)
- Wanda
- Wanlock
- Wapella
- Wapella, Township of
- Ward
- Ward
- Wards Grove, Township of
- Ware
- Warner
- Warnock
- Warren
- Warren County
- Warrenhurst
- Warrensburg
- Warren, Township of
- Warren, Township of
- Warrenville
- Warrington
- Warsaw
- Warsaw, Township of
- Wartburg
- Wartrace
- Wasco
- Washburn
- Washington
- Washington County
- Washington Election Precinct
- Washington Heights (subdivision)
- Washington Park
- Washington Park Court (subdivision)
- Washington Park (subdivision)
- Washington, Township of
- Washington, Township of
- Washington, Township of
- Wasson
- Wataga
- Waterford (historical)
- Waterford, Township of
- Waterloo
- Waterman
- Watertown
- Watertown (historical)
- Water Valley
- Watkins
- Watkins Ford
- Watseka
- Watson
- Watson, Township of
- Wauconda
- Wauconda, Township of
- Waukegan
- Waukegan, Township of
- Wauponsee
- Wauponsee, Township of
- Waverly
- Wayland
- Wayne
- Wayne
- Wayne Center
- Wayne City
- Wayne County
- Waynesville
- Waynesville, Township of
- Wayne, Township of